package day03;

public class IfElseDemo {
    public static void main(String[] args) {
        double price = 300.0;
        if (price >= 500) {
            price *= 0.8;
        } else {
            price *= 0.9;
        }
        System.out.println("最终结算金额为：" + price);
        double score = 555;
        if (score >= 0 && score <= 100) {
            System.out.println(score + "是合法成绩");
        } else {
            System.out.println(score + "是不合法成绩");
        }
    }
}